Here is your Champaign-Urbana Forecast from Chambana Weather Meteorologist Andrew Pritchard... For today, partly cloudy with a chance of a thunderstorm and a high of 84 degrees. South wind 5 to 10 mph... Tonight, partly cloudy with a chance of a thunderstorm and a low of 70 degrees. Southeast wind 5 to 10 mph... Tomorrow, mostly cloudy with a chance…